*{
    margin: 0;
    padding: 0;
}
header span{
    font-size: 20px;
    font-weight: 700;

}
header{
    display: flex;
    justify-content: space-between;
    padding: 0 30px;
    margin: 0 auto;
    vertical-align: middle;
    width: 1500px;
    height: 80px;
    line-height: 80px;
    border-bottom: 1px solid #ccc;
}
header a{
    text-decoration: none;
    color: red;
}
section{
    width: 500px;
    margin: 0 auto;
}
section input{
    margin-top: 20px;
    width: 300px;
    height: 40px;
}
section input:last-child{
    background-color: red;
    width: 304px;
    color: white;
    border: none;
}
footer{
    width: 1000px;
    margin: 0 auto;
    margin-top: 10px;
}
ul{
    list-style: none;
}
li{
    float: left;
    color: #B3A6C4;
    margin-left: 5px;

}
li a{
    color: #B3A6C4;
    text-decoration: none;
}
p{
    clear: both;
    margin-left: 250px;
    color: #B3A6C4;
}